A4 Sedan L4-1.8L Turbo (AEB) (1997)
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Location: Note arrow mark. Arrow 2 must be opposite arrow 3.
6
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Harness connector
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For fuel pump and fuel level sensor
7
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Hose guide
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Installed position as shown.
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Must be kept in position while union nut is being tightened.
8
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Union nut
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60 Nm (44 ft lb)
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Remove and install using 3217 wrench
9
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Wiring to fuel pump
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Attach with fuel resistant cable ties (item 10)
10
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Supply line
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Fuel pump/surge housing
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Location, see "Fuel Supply Unit, Removing and Installing". See: Powertrain Management/Fuel Delivery and Air Induction/Fuel
Pump/Service and Repair/Fuel Pump, Removing and Installing
11
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Nut M4
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1.5 Nm (13 in.lb)
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Install toothed washer beneath
12
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Nut M5
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2 Nm (18 in.lb)
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Install toothed washer beneath
13
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Fuel supply unit
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Removing and installing See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Pump/Service and Repair/Fuel Pump,
Removing and Installing
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Electrically check fuel pump See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Pump/Testing and Inspection
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Check the residual pressure.
14
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Fuel strainer
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Connected to fuel supply unit
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Can not be individually replaced
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Clean if dirty
15
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Surge housing lower section
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Mounted in fuel tank
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Can not be removed
16
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Fuel level sensor
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Float is cube shaped
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Checking See: Testing and Inspection
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Removing and installing See: Fuel Level Sensor, Removing and Installing
17
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Return line
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Installed inside cover flange
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Disconnecting: press unlatching buttons on connector piece